<template>
  <a-layout>
    <a-layout-content :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }">
      <p>
        <a-button type="primary" @click="add()" size="lage">
          新增
        </a-button>
      </p>
      <a-table :columns="columns" :row-key="record => record.id" :data-source="ebooks" :pagination="pagination"
        :loading="loading" @change="handleTableChange">
        <template #cover="{ text: cover }">
          <img v-if="cover" :src="cover" alt="avatar" style="width: 20%;height: 20%" />
        </template>

        <template v-slot:category="{text,record}">
          <span>{{ getCategoryName(record.category1Id) }}/{{ getCategoryName(record.category2Id) }}</span>
        
            
          
        </template>
        <template v-slot:action="{ text, record }">
          <a-space size="small">
            <router-link :to="'/admin/doc?ebookId='+record.id">
              <a-button type="primary">
                文档管理
              </a-button>
            </router-link>
            <a-button type="primary" @click="edit(record)">
              编辑
            </a-button>

            <a-popconfirm 
            title="删除之后，数据无法修复，是否确认" 
            ok-text="确定" 
            cancel-text="取消" 
            @confirm="handleDelete(record.id)">
              <a-button type="primary">
                删除
              </a-button>

            </a-popconfirm>
          </a-space>
        </template>
      </a-table>

    </a-layout-content>

    <a-modal 
    title="电子书表单" 
    v-model:visible="modalVisible" 
    :confirm-loading="modalLoading" 
    @ok="handleModalOk"
    >
      <a-form :model="ebook" :label-col="{ span: 6 }" :wrapper-col="{ span: 16 }">
        <a-form-item label="封面">
          <!-- <a-input v-model:value="ebook.cover" />
</a-form-item> -->
          <!-- 上传封面-->
          <div class="clearfix">
            <a-upload v-model:file-list="fileList" list-type="picture-card" :customRequest="customRequest">
              <div v-if="fileList.length < imgNum">
                <plus-outlined />
                <div style="margin-top: 8px">Upload</div>
              </div>
            </a-upload>
            <a-modal :visible="previewVisible" :title="previewTitle" :footer="null" @cancel="handleCancel">
              <img alt="example" style="width: 100%" :src="previewImage" />
            </a-modal>
          </div>
        </a-form-item>
        <a-form-item label="名称">
          <a-input v-model:value="ebook.name" />
        </a-form-item>
        

          <!-- <a-input v-model:value="ebook.category1Id" /> -->
        <a-form-item label="分类">
          <a-cascader 
            v-model:value="categoryIds"
            :field-names="{label:'name',value:'id',children:'children'}"
            :options="level1"/>

        </a-form-item>
        <!-- <a-form-item label="分类二">
          <a-input v-model:value="ebook.category2Id" />
        </a-form-item> -->
        <a-form-item label="描述">
          <a-input v-model:value="ebook.description" type="textarea" />
        </a-form-item>

      </a-form>


    </a-modal>

  </a-layout>
</template>

<script lang="ts">
import { defineComponent, onMounted, ref } from 'vue';
import axios from 'axios'
import { UploadOutlined } from '@ant-design/icons-vue';
import { Tool } from '@/utils/tool';
import AdminCategory from './admin-category.vue';
import { message } from 'ant-design-vue';
import { useRoute } from 'vue-router';


export default defineComponent({
  name: 'AdminEbook',
  components: {
    UploadOutlined
  },
  setup() {
    const route = useRoute();
    const ebooks = ref();
    const pagination = ref({
      current: 1,
      pageSize: 5,
      total: 0
    });
    const loading = ref(false);
    const columns = [
      {
        title: '封面',
        dataIndex: 'cover',
        slots: { customRender: 'cover' }
      },
      {
        title: '名称',
        dataIndex: 'name'
      },
      {
        title: '分类',
        slots: { customRender: 'category' }
      },
      {
        title: '文档数',
        dataIndex: 'docCount'
      },
      {
        title: '阅读数',
        dataIndex: 'viewCount'
      },
      {
        title: '点赞数',
        dataIndex: 'voteCount'
      },
      {
        title: 'Action',
        key: 'action',
        slots: { customRender: 'action' }
      }
    ];

    /*
    * 数据查询
    * */
    const handleQuery = (params: any) => {
      loading.value = true;
      axios.get("/ebook/getEbookListByPage", {
        params: {
          page: params.page,
          size: params.size
        }
      }).then((resp) => {
        loading.value = false;
        const data = resp.data;
        ebooks.value = data.content.list;

        //重置分页按钮
        pagination.value.current = params.page;
        pagination.value.total = data.content.total;
      });
    };
    /*
    * 表格点击页码时触发
    * */
    const handleTableChange = (pagination: any) => {
      console.log("看看自带分页的参数都有些啥：" + pagination);
      handleQuery({
        page: pagination.current,
        size: pagination.pageSize
      });
    };

    //-----表单-----
    let fileName = "";
    const ebook = ref();
    const categoryIds = ref();
    ebook.value = {};
    const modalVisible = ref(false);
    const modalLoading = ref(false);
    const handleModalOk = () => {
      modalLoading.value = true;
      ebook.value.category1Id = categoryIds.value[0];
      ebook.value.category2Id = categoryIds.value[1];
      ebook.value.cover = "/image/" + fileName;

      axios.post("/ebook/save", ebook.value).then((resp) => {
        if (resp.data.success) {
          modalVisible.value = false;
          modalLoading.value = false;
          //重新加载列表
          handleQuery({
            page: pagination.value.current,
            size: pagination.value.pageSize
          });
        }
      })
    }
    //编辑操作
    const edit = (record: any) => {
      console.log("编辑");
      ebook.value = record;
      modalVisible.value = true;
      categoryIds.value = [ebook.value.category1Id, ebook.value.category2Id]
    }
    //新增操作
    const add = () => {
      modalVisible.value = true;
    }
    //删除操作
    const handleDelete = (id: number) => {
      axios.get("/ebook/remove", {params: {id:id}}).then((resp) => {
        if (resp.data.success) {
          //重新加载列表
          handleQuery({
            page: pagination.value.current,
            size: pagination.value.pageSize
          });
        }
      })
    }
    const handleCancel = () => {
      previewVisible.value = false;
      previewTitle.value = "";
    };
    //图片上传
    // 上传图片
    const imgNum = ref(1);
    const previewVisible = ref(false);
    const previewImage = ref('');
    const previewTitle = ref('');
    const fileList = ref([]);
    //const uuid = require('uuid');
    // 自定义上传方法
    const customRequest = (file: any) => {
      console.log("customRequest ", file)
      console.log("file", file.file);
      // 表单
      const form = new FormData();
      form.append("file", file.file); // 表单添加文件
      axios.post("/ebook/uploadImage", form, { headers: { 'Content-Type': 'multipart/form-data' } })
        .then(res => {
          if (res.data.success) {
            // 调用组件的方法，设置为成功
            file.onSuccess(res, file.file);
            file.status = 'done';
            fileName = res.data.content;
          } else {
            file.onError();
            file.status = 'error'
          }
        })
    };

    //分类相关
    const level1 = ref();
    let categorys:any;
    const handleQueryCategory = () => {
      loading.value = true;
      axios.get("/category/allList").then((resp)=>{
        loading.value = false;
        const data = resp.data;
        categorys = data.content;
        if(data.success){
          level1.value = [];
          level1.value = Tool.array2Tree(data.content,0 )
          handleQuery({
        page: 1,
        size: pagination.value.pageSize
      });
        }else{
          message.error(data.message);
        }
      })
    }

    const getCategoryName = (cid:number) =>{
      let result = "";
      categorys.forEach((item:any)=>{
        if(item.id == cid){
          result = item.name;
            }
      });
      return result;
    }

    onMounted(() => {
      handleQueryCategory();
     
    })
    return {
      ebook,
      ebooks,
      pagination,
      columns,
      loading,
      handleTableChange,
      handleDelete,
      add,
      categoryIds,
      level1,
      getCategoryName,

      edit,
      modalLoading,
      modalVisible,
      handleModalOk,

      //上传图片
      imgNum,
      previewVisible,
      previewImage,
      fileList,
      customRequest,
      handleCancel,
      previewTitle,
    }
  }
});
</script>